/* ═══════════════════════════════════════════════════════════════
   Sirikone K. — Portfolio
   Design: Dark theme, Electric Blue accents
   ═══════════════════════════════════════════════════════════════ */

/* ───────────────────────────── VARIABLES ───────────────────────────── */
:root {
    --bg-0: #07070f;
    --bg-1: #0d0d1a;
    --bg-2: #111124;
    --bg-card: #13132a;
    --bg-card-hover: #1a1a35;

    --accent: #4f8ef7;
    --accent-glow: rgba(79, 142, 247, 0.3);
    --accent-cyan: #00d4ff;
    --accent-gold: #f6a211;
    --accent-green: #10b981;
    --accent-purple: #8b5cf6;

    --text-1: #f0f4ff;
    --text-2: #8892b0;
    --text-3: #4a5568;

    --border: rgba(255, 255, 255, 0.07);
    --border-accent: rgba(79, 142, 247, 0.3);

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    --font-head: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;

    --nav-h: 72px;
    --transition: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ───────────────────────────── RESET ───────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    background-color: var(--bg-0);
    color: var(--text-1);
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ───────────────────────────── LAYOUT ───────────────────────────── */
.container {
    width: 100%;
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.section--dark {
    background-color: var(--bg-1);
}

/* ───────────────────────────── TYPOGRAPHY ───────────────────────────── */
h1, h2, h3, h4 {
    font-family: var(--font-head);
    line-height: 1.15;
    color: var(--text-1);
}

.section__label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
}
.section__label::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

.section__title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 56px;
    color: var(--text-1);
}

/* ───────────────────────────── BUTTONS ───────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    transition: all var(--transition);
    cursor: pointer;
}

.btn--primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 0 20px var(--accent-glow);
}
.btn--primary:hover {
    background: #6fa0ff;
    box-shadow: 0 0 32px rgba(79, 142, 247, 0.5);
    transform: translateY(-2px);
}

.btn--ghost {
    background: transparent;
    color: var(--text-1);
    border: 1px solid var(--border);
}
.btn--ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.btn--sm {
    padding: 10px 20px;
    font-size: 0.875rem;
}

/* ───────────────────────────── TAGS ───────────────────────────── */
.tag {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    border-radius: 100px;
    background: rgba(79, 142, 247, 0.12);
    border: 1px solid rgba(79, 142, 247, 0.2);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 500;
}

.tag--sm {
    padding: 4px 10px;
    font-size: 0.75rem;
}

/* ───────────────────────────── BADGES ───────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge--gold {
    background: rgba(246, 162, 17, 0.15);
    border: 1px solid rgba(246, 162, 17, 0.35);
    color: var(--accent-gold);
}

.badge--blue {
    background: rgba(79, 142, 247, 0.12);
    border: 1px solid rgba(79, 142, 247, 0.25);
    color: var(--accent);
}

/* ───────────────────────────── NAV ───────────────────────────── */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--nav-h);
    transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
}

.nav.scrolled {
    background: rgba(7, 7, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav__inner {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    font-family: var(--font-head);
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav__link {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-2);
    transition: color var(--transition), background var(--transition);
}
.nav__link:hover {
    color: var(--text-1);
    background: rgba(255, 255, 255, 0.05);
}
.nav__link.active { color: var(--accent); }

.nav__link--cta {
    background: var(--accent);
    color: #fff !important;
    padding: 8px 20px;
}
.nav__link--cta:hover {
    background: #6fa0ff;
    transform: translateY(-1px);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    padding: 4px 0;
}
.nav__toggle span {
    display: block;
    height: 2px;
    background: var(--text-1);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ───────────────────────────── HERO ───────────────────────────── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-h);
    overflow: hidden;
}

.hero__glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
}
.hero__glow--1 {
    width: 600px;
    height: 600px;
    background: rgba(79, 142, 247, 0.15);
    top: -100px;
    right: -100px;
}
.hero__glow--2 {
    width: 400px;
    height: 400px;
    background: rgba(139, 92, 246, 0.1);
    bottom: 0;
    left: -100px;
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 760px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 100px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: var(--accent-green);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 32px;
    animation: fadeInDown 0.6s ease both;
}

.hero__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
}

.hero__name {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 20px;
    animation: fadeInDown 0.6s 0.1s ease both;
    background: linear-gradient(135deg, #ffffff 0%, #c0d4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__tagline {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    font-weight: 400;
    color: var(--text-2);
    line-height: 1.5;
    margin-bottom: 32px;
    animation: fadeInDown 0.6s 0.2s ease both;
}

.hero__tagline--accent {
    color: var(--accent);
    font-weight: 500;
}

.hero__stack {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
    animation: fadeInDown 0.6s 0.3s ease both;
}

.hero__ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    animation: fadeInDown 0.6s 0.4s ease both;
}

.hero__scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-3);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: fadeInDown 1s 0.8s ease both;
}

.hero__scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--text-3), transparent);
    animation: scroll-line 1.5s ease-in-out infinite;
}

@keyframes scroll-line {
    0%, 100% { opacity: 1; transform: scaleY(1) translateY(0); transform-origin: top; }
    50% { opacity: 0.3; transform: scaleY(0.5) translateY(12px); }
}

/* ───────────────────────────── REVEAL ANIMATIONS ───────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s var(--transition-slow), transform 0.7s var(--transition-slow);
}
.reveal--right {
    transform: translateX(30px);
}
.reveal.visible {
    opacity: 1;
    transform: translate(0);
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ───────────────────────────── FEATURE (EcoClubSports) ───────────────────────────── */
.feature {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.feature__badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.feature__title {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    line-height: 1.1;
}

.feature__subtitle {
    display: block;
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    font-weight: 400;
    color: var(--text-2);
    margin-top: 6px;
}

.feature__desc {
    font-size: 1.05rem;
    color: var(--text-2);
    line-height: 1.75;
    margin-bottom: 36px;
    max-width: 520px;
}

.feature__stats {
    display: flex;
    gap: 40px;
    margin-bottom: 28px;
    padding: 24px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stat__value {
    display: block;
    font-family: var(--font-head);
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 4px;
}

.stat__label {
    font-size: 0.8rem;
    color: var(--text-2);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.feature__sports {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 36px;
}

.sport-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 100px;
    background: var(--bg-2);
    border: 1px solid var(--border);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-1);
    transition: border-color var(--transition), transform var(--transition);
}
.sport-tag:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.feature__visual {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature__accolades {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.accolade {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: border-color var(--transition), transform var(--transition);
}
.accolade:hover {
    border-color: var(--accent-gold);
    transform: translateX(4px);
}

.accolade__icon {
    font-size: 1.8rem;
    flex-shrink: 0;
}

.accolade__label {
    font-size: 0.75rem;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 2px;
}

.accolade__name {
    font-family: var(--font-head);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-gold);
}

.accolade__detail {
    font-size: 0.78rem;
    color: var(--text-2);
    margin-top: 2px;
}

.feature__screen {
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-2);
}

.feature__img {
    width: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.feature__screen:hover .feature__img {
    transform: scale(1.03);
}

/* ───────────────────────────── APPS GRID ───────────────────────────── */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.app-card {
    padding: 28px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.app-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.app-card--featured {
    border-color: rgba(79, 142, 247, 0.2);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(79, 142, 247, 0.05) 100%);
}
.app-card--featured:hover {
    border-color: var(--accent);
    box-shadow: 0 12px 40px var(--accent-glow);
}

.app-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.app-card__icon {
    font-size: 2.2rem;
    line-height: 1;
}

.app-card__name {
    font-family: var(--font-head);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.app-card__desc {
    font-size: 0.9rem;
    color: var(--text-2);
    line-height: 1.65;
    margin-bottom: 20px;
}

.app-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* ───────────────────────────── SAAS ───────────────────────────── */
.saas {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.saas__title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.saas__desc {
    font-size: 1.05rem;
    color: var(--text-2);
    line-height: 1.75;
    margin-bottom: 28px;
}

.saas__features {
    margin-bottom: 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.saas__features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text-2);
}

.check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--accent-green);
    font-size: 0.7rem;
    flex-shrink: 0;
}

.saas__tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
}

/* Browser mockup */
.saas__card {
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

.saas__card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
}

.saas__card-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.saas__card-dot--red    { background: #ff5f56; }
.saas__card-dot--yellow { background: #ffbd2e; }
.saas__card-dot--green  { background: #27c93f; }

.saas__card-url {
    margin-left: 12px;
    font-size: 0.75rem;
    color: var(--text-3);
    font-family: monospace;
}

.saas__card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.saas__mock-item {
    display: flex;
    align-items: center;
    gap: 14px;
}

.saas__mock-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    opacity: 0.8;
}

.saas__mock-line {
    height: 8px;
    border-radius: 4px;
    background: var(--bg-2);
    margin-bottom: 6px;
}
.saas__mock-line--lg { width: 80%; }
.saas__mock-line--sm { width: 50%; }

.saas__pwa-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: var(--accent-green);
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 8px;
}

/* ───────────────────────────── STACK ───────────────────────────── */
.stack-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}

.stack-card {
    padding: 28px 24px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: border-color var(--transition), transform var(--transition);
}
.stack-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
}

.stack-card__icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.stack-card__title {
    font-family: var(--font-head);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--accent);
}

.stack-card__list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stack-card__list li {
    font-size: 0.9rem;
    color: var(--text-2);
    padding-left: 14px;
    position: relative;
}
.stack-card__list li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--text-3);
}

.certification {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px 28px;
    border-radius: var(--radius-md);
    background: rgba(79, 142, 247, 0.06);
    border: 1px solid rgba(79, 142, 247, 0.15);
}

.cert-badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 20px;
    border-radius: 100px;
    background: var(--accent);
    color: #fff;
    font-family: var(--font-head);
    font-size: 0.9rem;
    font-weight: 700;
    white-space: nowrap;
    letter-spacing: 0.04em;
}

.certification p {
    font-size: 0.95rem;
    color: var(--text-2);
}

/* ───────────────────────────── ABOUT ───────────────────────────── */
.about {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about__photo {
    position: relative;
}

.about__img {
    width: 100%;
    max-width: 420px;
    border-radius: var(--radius-xl);
    object-fit: cover;
    aspect-ratio: 4/5;
    border: 1px solid var(--border);
    position: relative;
    z-index: 1;
}

.about__photo-glow {
    position: absolute;
    inset: -20px;
    border-radius: var(--radius-xl);
    background: radial-gradient(circle at center, rgba(79, 142, 247, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.about__title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 28px;
}

.about__text {
    font-size: 1rem;
    color: var(--text-2);
    line-height: 1.8;
    margin-bottom: 16px;
}
.about__text strong { color: var(--text-1); }
.about__text:last-of-type { margin-bottom: 36px; }

/* ───────────────────────────── CONTACT ───────────────────────────── */
.contact {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
}

.contact__title {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.contact__sub {
    font-size: 1.1rem;
    color: var(--text-2);
    margin-bottom: 48px;
}

.contact__links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.contact__link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-1);
    transition: all var(--transition);
}
.contact__link:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.contact__link-icon {
    font-size: 1.1rem;
    line-height: 1;
    display: flex;
    align-items: center;
}

/* ───────────────────────────── FOOTER ───────────────────────────── */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
    background: var(--bg-1);
    text-align: center;
}

.footer__text {
    font-size: 0.9rem;
    color: var(--text-3);
    margin-bottom: 4px;
}

.footer__sub {
    font-size: 0.78rem;
    color: var(--text-3);
}

/* ───────────────────────────── RESPONSIVE ───────────────────────────── */
@media (max-width: 1024px) {
    .stack-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .section { padding: 72px 0; }

    /* Nav mobile */
    .nav__toggle { display: flex; }
    .nav__links {
        display: none;
        position: absolute;
        top: var(--nav-h);
        left: 0;
        right: 0;
        flex-direction: column;
        padding: 16px;
        background: rgba(7, 7, 15, 0.97);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border);
        gap: 4px;
    }
    .nav__links.open { display: flex; }
    .nav__link { padding: 12px 16px; }

    /* Toggle animation */
    .nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav__toggle.open span:nth-child(2) { opacity: 0; }
    .nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    /* Layouts */
    .feature { grid-template-columns: 1fr; gap: 48px; }
    .feature__visual { order: -1; }
    .apps-grid { grid-template-columns: 1fr; }
    .saas { grid-template-columns: 1fr; gap: 48px; }
    .stack-grid { grid-template-columns: 1fr 1fr; }
    .about { grid-template-columns: 1fr; gap: 40px; }
    .about__img { max-width: 280px; margin: 0 auto; }
    .certification { flex-direction: column; text-align: center; }

    .feature__stats { gap: 24px; }
    .hero__ctas { flex-direction: column; }
    .hero__scroll-hint { display: none; }
    .contact__links { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
    .stack-grid { grid-template-columns: 1fr; }
    .feature__stats { flex-wrap: wrap; gap: 20px; }
    .hero__stack { gap: 8px; }
}